102011112221122 has 16 divisors (see below), whose sum is σ = 174480544885752. Its totient is φ = 44312519335680.

The previous prime is 102011112221119. The next prime is 102011112221131. The reversal of 102011112221122 is 221122211110201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69388383540961 + 32622728680161 = 8329969^2 + 5711631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102011112221122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115397185329 + ... + 115397186212.

Almost surely, 2^{102011112221122} is an apocalyptic number.

102011112221122 is a deficient number, since it is larger than the sum of its proper divisors (72469432664630).

102011112221122 is a wasteful number, since it uses less digits than its factorization.

102011112221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230794371573.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102011112221122 its reverse (221122211110201), we get a palindrome (323133323331323).

The spelling of 102011112221122 in words is "one hundred two trillion, eleven billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".